NS2 Motor Starter

Name: NS2 Motor Starter
Brand: Chint

The CHINT NS2 Manual Motor Starter is a compact, reliable device that provides both manual motor control and comprehensive protection against overload, short-circuit, and phase failure. Rated for operational currents up to 32 A, it combines the functions of a circuit breaker and a thermal overload relay in one unit. Built to IEC/EN 60947-2 and IEC/EN 60947-4-1 standards, the NS2 ensures safe, precise, and efficient motor starting and stopping, making it ideal for industrial machinery, pumps, compressors, and automation systems.

Product Information

Standards: IEC/EN 60947-2, IEC/EN 60947-4-1
Function: Manual motor starter with overload and short-circuit protection
Utilization Category: AC-3
Rated Operational Voltage (Ue): Up to 690 V AC
Rated Insulation Voltage (Ui): 690 V
Rated Impulse Withstand Voltage (Uimp): 6 kV
Rated Operational Current (Ie): 0.1 A – 32 A (depending on model)
Rated Short-Circuit Breaking Capacity (Icu):
- 100 kA at 400 V (with backup fuse)
- 50 kA at 400 V (without fuse)
Rated Short-Circuit Making Capacity (Icm): 105 kA
Setting Range (Thermal Trip): Adjustable depending on motor current rating
Trip Classes: Class 10A
Protection Functions:
- Thermal overload
- Short-circuit protection
- Phase failure protection
Control Type: Manual ON/OFF operation with rotary handle
Indication: ON/OFF and trip position indicators
Auxiliary Contacts (optional):
- 1NO + 1NC or 2NO + 2NC
Rated current: AC-15 (400 V / 2.5 A), DC-13 (220 V / 0.3 A)
Mounting Type: DIN rail or panel mounting
Protection Degree: IP20 (front), IP40 (with enclosure)
Ambient Temperature: −5 °C to +40 °C (operation)
Altitude: ≤ 2000 m
Mechanical Life: 100,000 operations
Electrical Life: 50,000 operations
Terminal Capacity: 1.5 – 10 mm²
Tightening Torque: 2.5 N·m
Accessories:
- Shunt trip
- Under-voltage release
- Auxiliary contacts (side or front mount)
- Enclosures for surface or flush mounting
Applications:
- Industrial motor control
- Pumps, fans, compressors
- Conveyors, mixers, and automation lines
- Machine tool control panels

Name

Size

Release time

Operate

NS2-MOTOR-PROTECTIVE-BREAKER-Catalog.pdf

982.16KB

2025-12-22

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NS2_Catalog_ES.pdf

3.36MB

2026-05-21

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2004-NS2-25(X) 32(x) 32H-Motor Protective Breaker-Manual.pdf

747.61KB

2024-10-15

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2004-NS2-80B-Motor Protective Breaker-Manual.pdf

287.99KB

2024-10-15

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2004-NS2-80-Motor Protective Breaker-Manual.pdf

479.15KB

2024-10-15

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2404-NS2-25-Motor Protective Breaker-CE Certificate.pdf

2.17MB

2024-10-15

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2404-NS2-Motor Protective Breaker-REACH Declaration Certificate.pdf

362.46KB

2024-10-15

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2404-NS2-25-Motor Protective Breaker-TUV Certificate.pdf

2.23MB

2024-10-15

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2403-NS2-25X-Motor Protective Breaker-CE Certificate.pdf

1023.13KB

2024-10-15

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2403-NS2-25X-Motor Protective Breaker-CB Certificate.pdf

1.1MB

2024-10-15

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2403-NS2-32X-Motor Protective Breaker-CB Certificate.pdf

1.09MB

2024-10-15

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2403-NS2-32X-Motor Protective Breaker-CE Certificate.pdf

1016.06KB

2024-10-15

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2403-NS2-32X-Motor Protective Breaker-SEMKO Certificate.pdf

1.28MB

2024-10-15

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2403-NS2-25X-Motor Protective Breaker-SEMKO Certificate.pdf

1.28MB

2024-10-15

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2211-NS2-Motor Protective Breaker-CE Declaration Certificate.pdf

251.05KB

2024-10-15

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2207-NS2-Motor Protective Breaker-AK Certificate.pdf

457.75KB

2024-10-15

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2206-NS2-Motor Protective Breaker-EAC Certificate.pdf

582KB

2024-10-15

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2109-NS2-80B-Motor Protective Breaker-UKCA Certificate.pdf

2.78MB

2024-10-15

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2107-NS2-25-Motor Protective Breaker-UKCA Certificate.pdf

678.24KB

2024-10-15

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2101-NS2-80B-Motor Protective Breaker-CE Declaration Certificate.pdf

1.62MB

2024-10-15

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2004-NS2-25X 18A-Motor Protective Breaker-KC Certificate.pdf

239.78KB

2024-10-15

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2004-NS2-25X 0.16A-Motor Protective Breaker-KC Certificate.pdf

246.16KB

2024-10-15

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2004-NS2-25X 10A-Motor Protective Breaker-KC Certificate.pdf

237.52KB

2024-10-15

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1912-NS2-25 6.3A-Motor Protective Breaker-KC Certificate.pdf

5.29MB

2024-10-15

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1912-NS2-25 25A-Motor Protective Breaker-KC Certificate.pdf

7.3MB

2024-10-15

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1912-NS2-25 14A-Motor Protective Breaker-KC Certificate.pdf

4.98MB

2024-10-15

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1904-NS2-Motor Protective Breaker-CE Certificate.pdf

95.57KB

2024-10-15

Download

1901-NS2-32H-Motor Protective Breaker-CB Certificate.pdf

760.6KB

2024-10-15

Download

1508-NS2-Motor Protective Breaker-UL Certificate.pdf

189.35KB

2024-10-15

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1505-NS2-Motor Protective Breaker-ANCE Certificate.pdf

1.17MB

2024-10-15

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Release time

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NS2-25X 2D-AC Motor Starter-Drawing.dwg

2025-03-25

Download

NS2-EH2-AC Motor Starter-Drawing.STEP

2025-03-25

Download

NS2-EH8-AC Motor Starter-Drawing.STEP

2025-03-25

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NS2-EH2-AC Motor Starter-Drawing.DWG

2025-03-25

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NS2-25x_3D-AC Motor Starter-Drawing.stp

2025-03-25

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NS2-80n-AC Motor Starter-Drawing.stp

2025-03-25

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NS2-EH8-AC Motor Starter-Drawing.DWG

2025-03-25

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FAQs

What is the function of the NS2 Manual Motor Starter?

The NS2 is designed to manually start and stop motors while providing integrated protection against overload, short-circuit, and phase failure, ensuring the safety and longevity of connected equipment.

What current range does the NS2 cover?

It supports adjustable current settings from 0.1 A to 32 A, allowing it to accommodate a wide range of motor sizes.

Does it replace separate overload relays and circuit breakers?

Yes. The NS2 combines thermal overload and magnetic short-circuit protection in one device, eliminating the need for separate components.

What standards does it comply with?

It meets IEC/EN 60947-2 and IEC/EN 60947-4-1, ensuring compliance with international safety and performance standards.

Where is it commonly used?

It is widely used in industrial control systems, machine tools, HVAC equipment, and pumping systems, where compact and reliable manual motor protection is essential.

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NS2 Motor Starter

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